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561930741833 is a prime number
BaseRepresentation
bin10000010110101011010…
…11101010100001001001
31222201102220211100212112
420023111223222201021
533201313232214313
61110051501552105
755412111332106
oct10132553524111
91881386740775
10561930741833
111a734a28846a
1290aa5575635
1340cb38b3346
141d2aa2a3aad
15e93cb178a8
hex82d5aea849

561930741833 has 2 divisors, whose sum is σ = 561930741834. Its totient is φ = 561930741832.

The previous prime is 561930741787. The next prime is 561930741847. The reversal of 561930741833 is 338147039165.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 548026322944 + 13904418889 = 740288^2 + 117917^2 .

It is a cyclic number.

It is not a de Polignac number, because 561930741833 - 228 = 561662306377 is a prime.

It is not a weakly prime, because it can be changed into another prime (561930744833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 280965370916 + 280965370917.

It is an arithmetic number, because the mean of its divisors is an integer number (280965370917).

Almost surely, 2561930741833 is an apocalyptic number.

It is an amenable number.

561930741833 is a deficient number, since it is larger than the sum of its proper divisors (1).

561930741833 is an equidigital number, since it uses as much as digits as its factorization.

561930741833 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 561930741833 in words is "five hundred sixty-one billion, nine hundred thirty million, seven hundred forty-one thousand, eight hundred thirty-three".